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The Driver Synchronization Core (DSC) is a set of synchronization primitives for use by the driver's orchestration layer. It provides APIs for ensuring safe state transitions (including bring up and tear down) of major driver objects: a single driver, associated psocs, and their associated vdevs. APIs are divided into two categories: mutual exclusion of conflicting transitions, and operation tracking, blocking, and waiting capabilities. For part 2, add the driver-level implementation. Change-Id: I86630edfe11e89cc035974ae76ed3908cf68cde4 CRs-Fixed: 2290260